(浙江专用)2018 版高考数学大一轮复习 第二章 函数概念与基本初等函数 I 2.7 函数的图象教师用书 INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\鹿晴晴\\2017\\看 PPT\\数学\\浙江\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET INCLUDEPICTURE "\\\\鹿晴晴\\e\\鹿晴晴\\2017\\看 PPT\\数学\\浙江\\Word\\基础知识自主学习.TIF" \* MERGEFORMATINET 1.描点法作图方法步骤:(1)确定函数的定义域;(2)化简函数的解析式;(3)讨论函数的性质即奇偶性、周期性、单调性、最值(甚至变化趋势);(4)描点连线,画出函数的图象.2.图象变换(1)平移变换 INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\胡美娟\\2017\\一轮\\数学\\浙江专用\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "E:\\鹿晴晴\\2017\\看 PPT\\数学\\浙江\\Word\\2-45.TIF" \* MERGEFORMATINET INCLUDEPICTURE "\\\\鹿晴晴\\e\\鹿晴晴\\2017\\看 PPT\\数学\\浙1江\\Word\\2-45.TIF" \* MERGEFORMATINET (2)对称变换①y=f(x)――――→y=- f ( x ) ;②y=f(x)―――――→y=f ( - x ) ;③y=f(x)―――――→y=- f ( - x ) ;④y=ax (a>0,且 a≠1)―――――→y=logax ( a >0 且 a ≠1) . (3)伸缩变换①y=f(x)y=f ( ax ) . ②y=f(x)―――――――――――――――――――→y...